Automatic stuff-box for paper-making machines.



W. F. FEENEY.

AUTOMATIC sTuFT Box TOIT PAPER MAKING MACHINES.

APPLICATION FILED MAY 23, I9l4. 1,143,523, PatntedJulle 15, 1915.

I KN I W. P. FEENEY. AUTOMATIC Sl'UFF BOX FOR PAPER MAKING MACHINES.APPLICATION FILED MAY23,1914.

1 ,1413,523. Patented June 15, 1915.

2 SHEETS-SHEET 2- TOR/VEYS THE NORRIS PETERS C0.. PHOTO-LITHO..WASHINGTON, D4 CA ing` means to 'direct back to the chest allV intensa.

` Y Application lcd May 23, 1914. Serial No. 840,477.

f WILLIAM Lern-nenni', on HUDs'oNrnLLs, :anw YORK.

To all whom it may concern.' y

Be it known that 1, WILLIAM l?. FEENEY, a citizen of the United States,and a resident of Hudson Falls, in the county of Washington and State ofNew York, have invented aV new and Improved Automatic Stuff-Box forFaper-Making Machines, of which the following is a full, clear, andexact description.

My invention has for its object to provide a stuff box for paper'makingmachines havsurplus stock before'the surplus has suflicientlyaccumulated to increase the pressure at the outlet leading to the mixingbox.

Additional objects of the :invention will appear in the followingspecification in which the preferred form of my invention is disclosed.

1n the drawings similar reference characters refer to similar parts inall the views in which- Y i vFigure lisa side sectional elevation of theinvention; F ig. 2' is an enlarged plan view of Fig. 1; Fig. 3 isatransverse sectional view showing the relief valve; Fig. 4 is atransverse sectional view showing the valve leading to the mixing box;and Fig. 5 is a fragmentary sectional view showing pivotal means for thelever with which is connected the reliefvalve.

By referring to the drawings, it will be seen that a stufll box 10'isprovided which is connected with the mixing box 11 by a co-nduit 12,this mixing box leading to the pump 13 which is provided for forcing thepaper stock through the conduit 14 to the screen 15. A head box 16 ofthe usual construction is provided with a spout 17 leading to the wire18, mounted in the customary manner.

The outlet 19 of the box 10 communicates with the conduit 12 and thisoutlet 19 may be opened or closed by the valve 20 the sides 21 of whichslide in the guideways 22 secured to the end 23 of the said stuff box10. The stuff box 10 is provided with a partition 24 which extendssubstantially to the to-p of the said stuff box and separates the returnchamber 25 from the remainder of the stuff box. There is also in thestuff box 10 a partition 26 which extends up from the bottom of the box,but not as far as the partition 24. this partition 26 separating theinlet 27 and A the outlet 2S from the outlet 19 which has beendescribed. The stock is pumped into the stuffI box 10 through the inlet27, and Y after lsufficient stock is forced into the boli Specificationof Letters Patent.

AUTOMATIC STUFF-BOX FOR PAEReMAKNGVMACHINES.

10 to reachthe top of the partition 26, the stock flows over thepartition 26 to the outlet 19. It is important that the pressure at theVoutiet 19 bemaintained by the weight of lthe stock leading to theto'pof the partition Y 26. A s a means to prevent the stock from to thisrelief valve 30 there is a link 31v which passes through a guide 32mounted on the partition 24, this link 31 being pivoted at 33 to an arm34 of a lever 35. Mounted on the lever 35 there is a sleeve 36 which isheld in position relatively to the lever 35 by a set screw 37, thesleeve 36 having bearing recesses which are engaged by the'pointedscrews 38 which mesh in threaded orifices 39 in the arms 40 of the yoke41, which is secured to the top of the end 42 of the box 10. As a meansfor adjusting the pressure of the relief valve 30 I mount on the arm 34of the lever 35, and also on the arm 43 of the said lever, weights 44which are held in position relatively to the lever 35 by the set screws45.

Secured for rotating relatively to the valve 20, there is a rod 46 whichhas a thread 47 meshing in a threaded frame 4S secured to the end 23 ofthe box 10. The rod 46 may be rotated to raise or lower the valve 2O bymeans of the hand wheel 49.

It will be understood that in using the in vention, the weights 44 maybe adjusted on the arms 34 and 43 of the lever 35, so that the desiredpressure may be obtained at the outer end of the conduit 29 by therelief valve 30. Should the paper stock accumulate in the box 10 insufficient quantities to reach a point any predetermined height abovethe partition 26, with the adjustment of the weights 44, the reliefvalve 30 will be automatically opened to permit the escape of the paperstock so that the said paper stock may flow into the return chamber 25and from the return chamber to the conduit 50 which leads to the chest.

Having thus described my invention I claim as new and desire to secureby Letters Patent:

1. In a device of the character described, e .lllxng box, a stuff boxhaving an outlet raten-tea .rune 15,1915.

to the. mixing box and an inlet, a second outlet for the stuif box withits outer end extending upwardly, and a relief valve at the outer end ofthe second mentioned outlet.

Q. In a device of the class described, a

Y mixin box a stuif box havinOV a artition and an inlet for the stuffbox at one side of the partition, an outlet for thebox at the other sideof the partition and leading to the mixing;` box, an outlet conduit atthe first mentioned side of the partition and extending upwardly, arelief valve at the outer end of the outlet conduit, a pivoted leven-'alink connecting an arm of theV lever with the re-V lief valve, and meansfor adjusting the bal- 1.3 ance of the lever. i

In testimony whereof I have signed my name to this specification in thepresence of the two subscribing witnesses.

WILLIAM P. FEENE Y.

Witnesses i LAURENCE R. MGLAREN,

VBERT L. CARPENTER.'

Copies of this patent may be obtained for iive cents each, by addressingthe Commissioner of Patents,

Washington, D. C.

